Update container component to accept args as Iterable and Mapping (#627) #2588

Job	Run time
build-linux-test-component (buildx)	2m 59s
build-windows	1m 9s
build-linux-test-other	1m 6s
build-linux-test-component (test_compose.py)	7m 8s
build-linux-lint	13s
build-linux-test-component (test_config.py)	1m 8s
build-linux-test-component (test_container.py)	8m 21s
Render docs	1m 35s
build-linux-test-component (test_context.py)	51s
build-linux-test-component (test_image.py)	2m 19s
build-linux-test-component (test_manifest.py)	50s
build-linux-test-component (test_network.py)	1m 38s
build-linux-test-component (test_node.py)	1m 32s
build-linux-test-component (test_plugin.py)	1m 2s
build-linux-test-component (test_pod.py)	1m 18s
build-linux-test-component (test_service.py)	2m 37s
build-linux-test-component (test_stack.py)	1m 19s
build-linux-test-component (test_swarm.py)	1m 14s
build-linux-test-component (test_system.py)	1m 30s
build-linux-test-component (test_task.py)	1m 1s
build-linux-test-component (test_volume.py)	1m 2s
	41m 52s

Provide feedback